[c-nsp] Q-in-Q termination on 6500/7600

Tassos Chatzithomaoglou achatz at forthnet.gr
Tue Feb 10 09:16:26 EST 2009


Been there, done that....you need the ES cards (get the new ES+ if you decide to use these).
Alternatively (as long as you traffic demands are low), use a much-cheaper-external-router-based solution for IP QinQ 
termination (7200 with 31SB works fine).

--
Tassos

Marcus.Gerdon wrote on 10/02/2009 15:51:
> Hi @all,
> 
> I'm looking for information regarding termination of Q-in-Q on 6500 and/or 7600 boxes. We only need plain termination on subinterfaces with IP (somewhere on Cisco called 'IPoQinQ') configured on; no EoMPLS, PPPoE or alike.
> 
> As usual Cisco's really annoying as no useful clear information is to be found, and as usual Feature Navigator seems to be missing working configurations (i.e. told me no Q-in-Q on 7200...).
> 
> All I could find out rather trustworthy is:
> 
> - ES20 and SIP for Local Vlan Significance
> - ES20 supports Q-in-Q termination, a lot of tag rewrite functions etc.
> - 12.2SR supports Q-in-Q termination (working on 7200)
> 
> I only need IP on a subinterface and have no need for all that fancy stuff the ES20 provide (and has to be payed for).
> 
> So the question is:
> 
> Can someone definitely confirm or reject due to tests or production setup whether Q-in-Q termination on a normal 67xx module (DFC installed) can be configured (encaps dot1q * second *) and by using which IOS ?
> 
> 6500's running SXI and 7600's running SRx are the ones to look at I think as running SXF presumably won't work at all.
> 
> thanks,
> 
> Marcus
> 


More information about the cisco-nsp mailing list